CA253250A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA253250A CA253250A CA253250A CA253250DA CA253250A CA 253250 A CA253250 A CA 253250A CA 253250 A CA253250 A CA 253250A CA 253250D A CA253250D A CA 253250DA CA 253250 A CA253250 A CA 253250A
- Authority
- CA
- Canada
- Prior art keywords
- vacuum tube
- vacuum
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA253250T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA253250A true CA253250A (fr) | 1925-09-01 |
Family
ID=35161800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA253250A Expired CA253250A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA253250A (fr) |
-
0
- CA CA253250A patent/CA253250A/fr not_active Expired
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